TABLE 1

Sample Demographic Characteristics

Complete SampleAbusive Trauma (Case Subjects)Accidental Trauma (Control Subjects)
All patients enrolled, N954253
    Age, mo
        Mean ± SD12.3 ± 12.69.8 ± 12.214.4 ± 12.7
        Range0.3–48.40.3–48.41.0–42.1
    Male, %637157
Patients with bruising, N713338
    Age, mo
        Mean ± SD13.0 ± 12.811.3 ± 13.414.4 ± 12.3
        Range0.3–48.40.3–48.41.0–40.9
    Male, %656763